Linaro gcc 4.7 compatibility fix

Credits: Cody Ferber <codyf86@gmail.com>
s3cfb_extdsp_main: gcc 4.7 compatibility derp
Add Simple I/O scheduler
Add V(R) I/O scheduler
rwsem: R/W semaphores implemented using ARM atomic functions
cpufreq_interactive: Merge espresso10 interactive CPU governor
Update blackhawk defconfig
USB: initializing Android USB depending on the rom type

Credits: Gokhan Moral <gm@alumni.bilkent.edu.tr>
s3cfb: Notify userspace of vsync_time using sysfs

Credits: Andrew Dodd <atd7@cornell.edu>
netfilter: xt_qtaguid: Allow tracking loopback

In the past it would always ignore interfaces with loopback addresses.
Now we just treat them like any other.
This also helps with writing tests that check for the presence
of the qtaguid module.

Signed-off-by: JP Abgrall <jpa@google.com>
netfilter: qtaguid: rate limit some of the printks

Some of the printks are in the packet handling path.
We now ratelimit the very unlikely errors to avoid
kmsg spamming.

Signed-off-by: JP Abgrall <jpa@google.com>
s3cfb_s6d7aa0: Stop the spam
Commit derp (again)